Home / 107,941.60-148,965.78-60,193.72

Finding the Fourth Proportional to 107,941.60, 148,965.78 and 60,193.72

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Solution

The fourth proportional to 107,941.60, 148,965.78 and 60,193.72 is: 83,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,941.60 : 148,965.78 = 60,193.72 : x
  2. Step 2: Convert to fraction form
    107,941.60/148,965.78 = 60,193.72/x
  3. Step 3: Cross multiply
    107,941.60x = 148,965.78 × 60,193.72
  4. Step 4: Simplify right side
    107,941.60x = 8,966,804,450.90
  5. Step 5: Solve for x
    x = 8,966,804,450.90/107,941.60
  6. Step 6: Final answer
    x = 83,070.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.